Preparation method of building wall, furniture, metal light-resistant water-based coating and adhesive
A technology for building walls and water-based coatings, applied in the direction of adhesive additives, adhesive types, ester copolymer adhesives, etc., can solve the problems of light resistance and poor wear resistance, and achieve strong light resistance and adhesion properties, improving the effect of film-forming yellowing
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example 1
[0024] (1) Preparation of light-resistant materials: Add 20g of stilbene triphenol, 5g of aluminum oxide, 1g of europium nitrate, 0.2g of rhein, and 7g of water into a 250ml three-necked bottle, mix them, heat up to 40°C, stir for 30min, and adjust the pH to 4. Stirring and reacting for 1 h to obtain a light-resistant material;
[0025] (2) Add 45g of water, 0.64g of sodium dodecylbenzenesulfonate, 0.16g of fatty alcohol polyoxyethylene ether, and 0.6g of methacrylic acid to a 500ml three-necked flask equipped with a stirrer, a thermometer and a condenser, and heat up to Stir at 40°C for 30 minutes, add monomer A, emulsify for 30 minutes, heat up to 70°C and start to flow back water, raise the temperature to 80°C, add 5.3g of potassium persulfate solution dissolved in 5g of water dropwise, dropwise for 1h, and complete the reaction 1h, plus 2g of the light-resistant material in the above step (1), 0.2g of 2-(3,4-dihydroxyphenyl)ethylamine, stirred and reacted at 80°C for 2h, t...
example 2
[0030] (1) Preparation of light-resistant materials: Add 20g of stilbene triphenol, 5g of aluminum oxide, 1g of europium nitrate, 0.2g of rhein, and 7g of water into a 250ml three-necked bottle, mix them, heat up to 40°C, stir for 30min, and adjust the pH to 4. Stirring and reacting for 1 h to obtain a light-resistant material;
[0031] (2) Add 70g of water, 1.44 sodium dodecylbenzenesulfonate, 0.36g of fatty alcohol polyoxyethylene ether, and 2.0g of methacrylic acid to a 500ml three-neck flask equipped with a stirrer, a thermometer and a condenser, and heat up to 40 ℃, stir for 30 minutes, add monomer A, emulsify for 50 minutes, heat up to 70°C and start to flow back water, raise the temperature to 80°C, add 6.6g of ammonium persulfate solution dissolved in 6g of water dropwise, dropwise time 2h, dropwise reaction 2h , plus the above step (1) 2g of light-resistant material and 0.2g of 2-(3,4-dihydroxyphenyl)ethylamine, stirred and reacted for 2h, to obtain the core layer emu...
example 3
[0036] (1) Preparation of light-resistant materials: Add 20g of stilbene triphenol, 5g of aluminum oxide, 1g of europium nitrate, 0.2g of rhein, and 7g of water into a 250ml three-necked bottle, mix them, heat up to 40°C, stir for 30min, and adjust the pH to 4. Stirring and reacting for 1 h to obtain a light-resistant material;
[0037] (2) Add 68g of water, 1.04g of sodium dodecylbenzenesulfonate, 0.26g of fatty alcohol polyoxyethylene ether, and 1.3g of methacrylic acid into a 500ml three-neck flask equipped with a stirrer, thermometer and condenser tube, and heat up to Stir at 40°C for 30 minutes, add A monomer, emulsify for 40 minutes, heat up to 70°C and start to flow back water, raise the temperature to 80°C, add 5.45g of potassium persulfate solution dissolved in 5g of water dropwise, dropwise time 1.5h, dropwise After reacting for 1.5h, add 2g of light-resistant material and 0.2g of 2-(3,4-dihydroxyphenyl)ethylamine in the above step (1), stir and react at 80°C for 2h ...
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